March 1 is the annual Read Across America Day with the Cat in the Hat. Here is a link to some ideas for celebrating the day. Random House has also created Seussville, a page with printable activities and more.
If you are unable to click the links , copy and paste each address below into your browser:
http://www.apples4theteacher.com/holidays/dr-seuss-birthday/printables/cat-in-the-hat.html
http://www.seussville.com/Educators/educatorReadAcrossAmerica.php